<p><img src="imgs/hardware_compare.gif" alt="Hardware compare" width="670" height="70" /></p>
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            <td width='645' valign='top'>The Wiring hardware is based on the Atmel AVR8bit atmega family of microcontrollers. A very powerful set devices that suits from the simplest tasks to the most challenging requirements and future needs for prototyping interactive artifacts, connectivity and expansion. The table below shows a comparison between The Wiring hardware  and other prototyping systems.<br />
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        <table width="700" cellspacing='0' cellpadding='10' border='0'>
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            <td>&nbsp;</td>
            <td>Wiring hardware V1: atmega128 / Wiring hardware V1.1 Sparkfun: atmega1281 / atmega2561</td>
            <td>Wiring S: atmega644p </td>
            <td>BasicX</td>
            <td>BasicStamp</td>
            <td>PIC16F876</td>
            <td>atmega8 / atmega168 / atmega328 (Arduino)</td>
          </tr>

          <tr>
            <td bgcolor='#D7D7D7'>Digital I/O Pins</td>
            <td bgcolor='#E1E1E1'>54</td>
            <td bgcolor='#E1E1E1'>32</td>
            <td bgcolor='#E1E1E1'>16</td>
            <td bgcolor='#E1E1E1'>15</td>
            <td bgcolor='#E1E1E1'>22</td>
            <td bgcolor='#E1E1E1'>11</td>
          </tr>

          <tr>
            <td>Memory</td>
            <td valign='top'>128K / 128K / 256K</td>
            <td valign='top'>64K</td>
            <td valign='top'>32K</td>
            <td valign='top'>2K</td>
            <td valign='top'>14K</td>
            <td valign='top'>8K / 16K / 32K</td>
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          <tr>
            <td bgcolor='#D7D7D7'>Analog inputs</td>
            <td bgcolor='#E1E1E1'>8</td>
            <td bgcolor='#E1E1E1'>8</td>
            <td bgcolor='#E1E1E1'>8</td>
            <td bgcolor='#E1E1E1'>n/a</td>
            <td bgcolor='#E1E1E1'>n/a</td>
            <td bgcolor='#E1E1E1'>6</td>
          </tr>
          <tr>
            <td valign='top'>External Interrupts </td>
            <td valign='top'>
              <p>8</p>            </td>
            <td valign='top'>3</td>
            <td valign='top'>n/a</td>
            <td valign='top'>n/a</td>
            <td valign='top'>1</td>
            <td valign='top'>2</td>
          </tr>
          <tr>
            <td bgcolor='#D7D7D7'>Hardware serial ports</td>
            <td bgcolor='#E1E1E1'><p>2</p>            </td>
            <td bgcolor='#E1E1E1'>2</td>
            <td bgcolor='#E1E1E1'>1</td>
            <td bgcolor='#E1E1E1'>1</td>
            <td bgcolor='#E1E1E1'>1</td>
            <td bgcolor='#E1E1E1'>1</td>
          </tr>
          <tr>
            <td>USB</td>
            <td valign='top'>yes</td>
            <td valign='top'>yes</td>
            <td valign='top'>no</td>
            <td valign='top'>no</td>
            <td valign='top'>no</td>
            <td valign='top'>yes</td>
          </tr>
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            <td bgcolor='#D7D7D7'>Power</td>
            <td bgcolor='#E1E1E1'>External 7-12V generic adapter or through the USB when connected to a computer</td>
            <td bgcolor='#E1E1E1'>External 7-12V generic adapter or through the USB when connected to a computer</td>
            <td bgcolor='#E1E1E1'>Requires power regulator circuit + adapter</td>
            <td bgcolor='#E1E1E1'>Requires power regulator circuit + adapter</td>
            <td bgcolor='#E1E1E1'>Requires power regulator circuit + adapter</td>
            <td bgcolor='#E1E1E1'>External 7-12V generic adapter or through the USB when connected to a computer</td>
          </tr>
          <tr>
            <td>PWM (analog) outputs</td>
            <td valign='top'>6</td>
            <td valign='top'>6</td>
            <td valign='top'>n/a</td>
            <td valign='top'>n/a</td>
            <td valign='top'>2</td>
            <td valign='top'>3</td>
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            <td bgcolor='#D7D7D7'>Programming language</td>
            <td bgcolor='#E1E1E1'>Wiring</td>
            <td bgcolor='#E1E1E1'>Wiring</td>
            <td bgcolor='#E1E1E1'>basic</td>
            <td bgcolor='#E1E1E1'>basic</td>
            <td bgcolor='#E1E1E1'>basic</td>
            <td bgcolor='#E1E1E1'>Wiring</td>
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            <td>OS Supported</td>
            <td valign='top'>Windows, Mac OSX, Linux</td>
            <td valign='top'>Windows, Mac OSX, Linux</td>
            <td valign='top'>Windows, Mac OSX</td>
            <td valign='top'>Windows</td>
            <td valign='top'>Windows</td>
            <td valign='top'>Windows, Mac OSX, Linux</td>
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        </table>
<p>&nbsp;</p>
